static int
get_cred(struct kafs_data *data, const char *name, const char *inst,
const char *realm, uid_t uid, struct kafs_token *kt)
{
krb5_error_code ret;
krb5_creds in_creds, *out_creds;
struct krb5_kafs_data *d = data->data;
int invalid;
memset(&in_creds, 0, sizeof(in_creds));
ret = krb5_make_principal(d->context, &in_creds.server,
realm, name, inst, NULL);
if(ret)
return ret;
ret = krb5_cc_get_principal(d->context, d->id, &in_creds.client);
if(ret){
krb5_free_principal(d->context, in_creds.server);
return ret;
}
in_creds.session.keytype = ETYPE_DES_CBC_CRC;
/* check if des is disable, and in that case enable it for afs */
invalid = krb5_enctype_valid(d->context, in_creds.session.keytype);
if (invalid)
krb5_enctype_enable(d->context, in_creds.session.keytype);
ret = krb5_get_credentials(d->context, 0, d->id, &in_creds, &out_creds);
if (ret) {
in_creds.session.keytype = ETYPE_DES_CBC_MD5;
ret = krb5_get_credentials(d->context, 0, d->id, &in_creds, &out_creds);
}
if (invalid)
krb5_enctype_disable(d->context, in_creds.session.keytype);
krb5_free_principal(d->context, in_creds.server);
krb5_free_principal(d->context, in_creds.client);
if(ret)
return ret;
ret = v5_convert(d->context, d->id, out_creds, uid,
(inst != NULL && inst[0] != '\0') ? inst : realm, kt);
krb5_free_creds(d->context, out_creds);
return ret;
}
krb5_kdc_configuration *
configure(krb5_context context, int argc, char **argv, int *optidx)
{
krb5_kdc_configuration *config;
krb5_error_code ret;
const char *p;
*optidx = 0;
while(getarg(args, num_args, argc, argv, optidx))
warnx("error at argument `%s'", argv[*optidx]);
if(help_flag)
usage (0);
if (version_flag) {
print_version(NULL);
exit(0);
}
if (builtin_hdb_flag) {
char *list;
ret = hdb_list_builtin(context, &list);
if (ret)
krb5_err(context, 1, ret, "listing builtin hdb backends");
printf("builtin hdb backends: %s\n", list);
free(list);
exit(0);
}
{
char **files;
int aret;
if (config_file == NULL) {
aret = asprintf(&config_file, "%s/kdc.conf", hdb_db_dir(context));
if (aret == -1 || config_file == NULL)
errx(1, "out of memory");
}
ret = krb5_prepend_config_files_default(config_file, &files);
if (ret)
krb5_err(context, 1, ret, "getting configuration files");
ret = krb5_set_config_files(context, files);
krb5_free_config_files(files);
if(ret)
krb5_err(context, 1, ret, "reading configuration files");
}
ret = krb5_kdc_get_config(context, &config);
if (ret)
krb5_err(context, 1, ret, "krb5_kdc_default_config");
kdc_openlog(context, "kdc", config);
ret = krb5_kdc_set_dbinfo(context, config);
if (ret)
krb5_err(context, 1, ret, "krb5_kdc_set_dbinfo");
if(max_request_str)
max_request_tcp = max_request_udp = parse_bytes(max_request_str, NULL);
if(max_request_tcp == 0){
p = krb5_config_get_string (context,
NULL,
"kdc",
"max-request",
NULL);
if(p)
max_request_tcp = max_request_udp = parse_bytes(p, NULL);
}
if(require_preauth != -1)
config->require_preauth = require_preauth;
if(port_str == NULL){
p = krb5_config_get_string(context, NULL, "kdc", "ports", NULL);
if (p != NULL)
port_str = strdup(p);
}
explicit_addresses.len = 0;
if (addresses_str.num_strings) {
int i;
for (i = 0; i < addresses_str.num_strings; ++i)
add_one_address (context, addresses_str.strings[i], i == 0);
free_getarg_strings (&addresses_str);
} else {
char **foo = krb5_config_get_strings (context, NULL,
"kdc", "addresses", NULL);
if (foo != NULL) {
add_one_address (context, *foo++, TRUE);
while (*foo)
add_one_address (context, *foo++, FALSE);
}
}
if(enable_http == -1)
enable_http = krb5_config_get_bool(context, NULL, "kdc",
"enable-http", NULL);
if(request_log == NULL)
request_log = krb5_config_get_string(context, NULL,
"kdc",
"kdc-request-log",
NULL);
if (krb5_config_get_string(context, NULL, "kdc",
"enforce-transited-policy", NULL))
krb5_errx(context, 1, "enforce-transited-policy deprecated, "
"use [kdc]transited-policy instead");
#ifdef SUPPORT_DETACH
if(detach_from_console == -1)
detach_from_console = krb5_config_get_bool_default(context, NULL,
DETACH_IS_DEFAULT,
"kdc",
"detach", NULL);
#endif /* SUPPORT_DETACH */
if(max_request_tcp == 0)
max_request_tcp = 64 * 1024;
if(max_request_udp == 0)
max_request_udp = 64 * 1024;
if (port_str == NULL)
port_str = "+";
if(disable_des == -1)
disable_des = krb5_config_get_bool_default(context, NULL,
FALSE,
"kdc",
"disable-des", NULL);
if(disable_des) {
krb5_enctype_disable(context, ETYPE_DES_CBC_CRC);
krb5_enctype_disable(context, ETYPE_DES_CBC_MD4);
krb5_enctype_disable(context, ETYPE_DES_CBC_MD5);
krb5_enctype_disable(context, ETYPE_DES_CBC_NONE);
krb5_enctype_disable(context, ETYPE_DES_CFB64_NONE);
krb5_enctype_disable(context, ETYPE_DES_PCBC_NONE);
}
krb5_kdc_windc_init(context);
krb5_kdc_pkinit_config(context, config);
return config;
}
krb5_kdc_configuration *
configure(krb5_context context, int argc, char **argv)
{
krb5_kdc_configuration *config;
krb5_error_code ret;
int optidx = 0;
const char *p;
while(getarg(args, num_args, argc, argv, &optidx))
warnx("error at argument `%s'", argv[optidx]);
if(help_flag)
usage (0);
if (version_flag) {
print_version(NULL);
exit(0);
}
if (builtin_hdb_flag) {
char *list;
ret = hdb_list_builtin(context, &list);
if (ret)
krb5_err(context, 1, ret, "listing builtin hdb backends");
printf("builtin hdb backends: %s\n", list);
free(list);
exit(0);
}
argc -= optidx;
argv += optidx;
if (argc != 0)
usage(1);
{
char **files;
if (config_file == NULL) {
asprintf(&config_file, "%s/kdc.conf", hdb_db_dir(context));
if (config_file == NULL)
errx(1, "out of memory");
}
ret = krb5_prepend_config_files_default(config_file, &files);
if (ret)
krb5_err(context, 1, ret, "getting configuration files");
ret = krb5_set_config_files(context, files);
krb5_free_config_files(files);
if(ret)
krb5_err(context, 1, ret, "reading configuration files");
}
ret = krb5_kdc_get_config(context, &config);
if (ret)
krb5_err(context, 1, ret, "krb5_kdc_default_config");
kdc_openlog(context, "kdc", config);
ret = krb5_kdc_set_dbinfo(context, config);
if (ret)
krb5_err(context, 1, ret, "krb5_kdc_set_dbinfo");
if(max_request_str)
max_request_tcp = max_request_udp = parse_bytes(max_request_str, NULL);
if(max_request_tcp == 0){
p = krb5_config_get_string (context,
NULL,
"kdc",
"max-request",
NULL);
if(p)
max_request_tcp = max_request_udp = parse_bytes(p, NULL);
}
if(require_preauth != -1)
config->require_preauth = require_preauth;
if(port_str == NULL){
p = krb5_config_get_string(context, NULL, "kdc", "ports", NULL);
if (p != NULL)
port_str = strdup(p);
}
explicit_addresses.len = 0;
if (addresses_str.num_strings) {
int i;
for (i = 0; i < addresses_str.num_strings; ++i)
add_one_address (context, addresses_str.strings[i], i == 0);
free_getarg_strings (&addresses_str);
} else {
char **foo = krb5_config_get_strings (context, NULL,
"kdc", "addresses", NULL);
if (foo != NULL) {
add_one_address (context, *foo++, TRUE);
while (*foo)
add_one_address (context, *foo++, FALSE);
}
}
if(enable_v4 != -1)
config->enable_v4 = enable_v4;
if(enable_v4_cross_realm != -1)
config->enable_v4_cross_realm = enable_v4_cross_realm;
if(enable_524 != -1)
config->enable_524 = enable_524;
if(enable_http == -1)
enable_http = krb5_config_get_bool(context, NULL, "kdc",
"enable-http", NULL);
if(request_log == NULL)
request_log = krb5_config_get_string(context, NULL,
"kdc",
"kdc-request-log",
NULL);
if (krb5_config_get_string(context, NULL, "kdc",
"enforce-transited-policy", NULL))
krb5_errx(context, 1, "enforce-transited-policy deprecated, "
"use [kdc]transited-policy instead");
if (enable_kaserver != -1)
config->enable_kaserver = enable_kaserver;
#ifdef SUPPORT_DETACH
if(detach_from_console == -1)
detach_from_console = krb5_config_get_bool_default(context, NULL,
DETACH_IS_DEFAULT,
"kdc",
"detach", NULL);
#endif /* SUPPORT_DETACH */
if(max_request_tcp == 0)
max_request_tcp = 64 * 1024;
if(max_request_udp == 0)
max_request_udp = 64 * 1024;
if (port_str == NULL)
port_str = "+";
if (v4_realm)
config->v4_realm = v4_realm;
if(config->v4_realm == NULL && (config->enable_kaserver || config->enable_v4))
krb5_errx(context, 1, "Kerberos 4 enabled but no realm configured");
if(disable_des == -1)
disable_des = krb5_config_get_bool_default(context, NULL,
FALSE,
"kdc",
"disable-des", NULL);
if(disable_des) {
krb5_enctype_disable(context, ETYPE_DES_CBC_CRC);
krb5_enctype_disable(context, ETYPE_DES_CBC_MD4);
krb5_enctype_disable(context, ETYPE_DES_CBC_MD5);
krb5_enctype_disable(context, ETYPE_DES_CBC_NONE);
krb5_enctype_disable(context, ETYPE_DES_CFB64_NONE);
krb5_enctype_disable(context, ETYPE_DES_PCBC_NONE);
kdc_log(context, config,
0, "DES was disabled, turned off Kerberos V4, 524 "
"and kaserver");
config->enable_v4 = 0;
config->enable_524 = 0;
config->enable_kaserver = 0;
}
krb5_kdc_windc_init(context);
#ifdef PKINIT
#ifdef __APPLE__
config->enable_pkinit = 1;
if (config->pkinit_kdc_identity == NULL) {
if (config->pkinit_kdc_friendly_name == NULL)
config->pkinit_kdc_friendly_name =
strdup("O=System Identity,CN=com.apple.kerberos.kdc");
config->pkinit_kdc_identity = strdup("KEYCHAIN:");
}
if (config->pkinit_kdc_anchors == NULL)
config->pkinit_kdc_anchors = strdup("KEYCHAIN:");
#endif /* __APPLE__ */
if (config->enable_pkinit) {
if (config->pkinit_kdc_identity == NULL)
krb5_errx(context, 1, "pkinit enabled but no identity");
if (config->pkinit_kdc_anchors == NULL)
krb5_errx(context, 1, "pkinit enabled but no X509 anchors");
krb5_kdc_pk_initialize(context, config,
config->pkinit_kdc_identity,
config->pkinit_kdc_anchors,
config->pkinit_kdc_cert_pool,
config->pkinit_kdc_revoke);
}
#endif /* PKINIT */
return config;
}
